LMJJOlsen
JJOlsen has 2 puzzles in the Variant Sudoku catalog, most often with X-Sums and Kropki. Every puzzle below links to its original home, so the setter gets the credit and the traffic.
Puzzles here21 are 9×9
First puzzle2026Shuriken Shisokuenzan
Latest puzzleSept 2026Cosmic Conundrum
Logic Masters solves4
On Variant Sudoku
Favourite rules
Puzzles by JJOlsen
Newest first. “Play here” opens the puzzle in Variant Sudoku, loaded live from the setter’s own link.
LM
LM8×8Shuriken Shisokuenzan
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